我有一个Fragment可以创建并弹出DialogFragment,但当我按下返回按钮时,它会关闭对话框,即使我明确地调用了setCancelable(false)。 有没有办法让我的DialogFragment对返回按钮不敏感?
public class LoadingDialogFragment extends DialogFragment
{
String title;
String msg;
public LoadingDialogFragment()
{
this.title = "Loading...";
this.msg = "Please wait...";
}
public LoadingDialogFragment(String title, String msg)
{
this.title = title;
this.msg = msg;
}
@Override
public Dialog onCreateDialog(final Bundle savedInstanceState)
{
final ProgressDialog dialog = new ProgressDialog(getActivity());
dialog.setTitle(title);
dialog.setMessage(msg);
dialog.setIndeterminate(true);
dialog.setCanceledOnTouchOutside(false);
dialog.setCancelable(false);
return dialog;
}
}
我从AsyncTask创建DialogFragment:
private class GpsTask extends AsyncTask<String, Integer, Integer>
{
//ProgressDialog dialog;
@Override
protected void onPreExecute()
{
FragmentTransaction ft = getSupportFragmentManager().beginTransaction();
DialogFragment newFragment = new LoadingDialogFragment("Gathering Location", "Acquiring GPS lock...");
ft.addToBackStack(null);
newFragment.show(ft, "dialog");
}
@Override
protected Integer doInBackground(String... params)
{
//acquire a GPS lock and grab a few position updates
}
@Override
protected void onProgressUpdate(Integer... input) { }
@Override
protected void onPostExecute(Integer result)
{
getSupportFragmentManager().popBackStackImmediate();
}
}
DialogFragment
上调用setCancelable()
而不是ProgressDialog
。谢谢! - prolink007isCancelable = false
,放在onViewCreated
里面,它起作用了! - SevengetDialog.setCancelable(false)
,但它没有起作用,但是我将其替换为setCancelable(false)
,现在它可以正常工作了。这很奇怪。 - Ehsan